There are three platforms at the beginning, which will only
move once you step on them. The bottom one will eventually lead
into the void, so only take it if you want to collect Dragon Coins.
Both the middle and top ones are safe, but the top one will allow
you to jump to the midway gate at the end as well.

Your progress will be hampered by buzzsaws which you need to
jump over. Note: if you have Yoshi and are running, you can
bounce on top of the saws. Having a cape on Mario will allow you to
pass this level by running, bouncing, and floating across, rather
than waiting for platforms to take you.

On your way, if you're on the top platform you will get an
opportunity to get another feather on the way.

If you can keep the platforms and a few of the buzzsaws on the
screen, sprite overload will keep the rest from appearing. This
makes it much easier to cross this section.

The sole ? block at the end contains Yoshi Wings. If you
have Yoshi with you, jump into the wings and you will soar up to
the bonus area. This will count as completing the level (even if
you fall down the void in the bonus area), and on top of that, your
Yoshi will turn blue!

The blue pipe leads to a bonus area (see below).

You'll get the opportunity to try out the ropes here before it
actually gets serious near the end. The ropes move as soon as you
grab them, and you can move up and down the ropes anytime.

At the end you'll have to use the rope to cross a large gap
with loads of buzzsaws on the way. This section is difficult to
cross with Yoshi, but it's possible by bouncing off the
buzzsaws.

There isn't much to this area, you simply need to cross the
pit. However, Bullet Bills will be coming at you diagonally from
the corners - avoid them!

Enter the pipe at the end. You will return at the yellow
pipe.

Before the rope falls down into the pit, jump off to the goal
tape to complete the level.

You can also attempt to drop off at the platform below and leap
over to the goal tape, but it's more difficult.

3-up
moon

Adventurous players who discover the secret exit will find a 3-up
moon waiting for them just before the goal tape. It's a great
reward for such a hard to find secret exit!

This level does contain a secret exit. However, if you went
through the level, you should have noticed no traces of one
existing. The map reveals it easily; the secret exit is hidden
behind the normal exit. To reach it, you will need to fly beneath
the normal exit and then rise back up through the floor.

This is possible with the cape, but it requires a great deal of
flying skills. An easier way is to use Yoshi. Get him to the last
platform before the goal tape. Get a running jump, fall down
beneath the normal exit and jump off Yoshi at the last second to
get back up through the floor. Once you're there, run to the end to
find another goal tape which unlocks the secret exit.